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path: root/drivers/firmware/arm_scmi/bus.c
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Diffstat (limited to 'drivers/firmware/arm_scmi/bus.c')
-rw-r--r--drivers/firmware/arm_scmi/bus.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c
index 1adef0389475..24e59ddf85e7 100644
--- a/drivers/firmware/arm_scmi/bus.c
+++ b/drivers/firmware/arm_scmi/bus.c
@@ -323,6 +323,31 @@ static struct attribute *scmi_device_attributes_attrs[] = {
};
ATTRIBUTE_GROUPS(scmi_device_attributes);
+static int scmi_pm_suspend(struct device *dev)
+{
+ const struct device_driver *drv = dev->driver;
+
+ if (drv && drv->pm && drv->pm->suspend)
+ return drv->pm->suspend(dev);
+
+ return 0;
+}
+
+static int scmi_pm_resume(struct device *dev)
+{
+ const struct device_driver *drv = dev->driver;
+
+ if (drv && drv->pm && drv->pm->resume)
+ return drv->pm->resume(dev);
+
+ return 0;
+}
+
+static const struct dev_pm_ops scmi_dev_pm_ops = {
+ .suspend = pm_sleep_ptr(scmi_pm_suspend),
+ .resume = pm_sleep_ptr(scmi_pm_resume),
+};
+
const struct bus_type scmi_bus_type = {
.name = "scmi_protocol",
.match = scmi_dev_match,
@@ -330,6 +355,7 @@ const struct bus_type scmi_bus_type = {
.remove = scmi_dev_remove,
.uevent = scmi_device_uevent,
.dev_groups = scmi_device_attributes_groups,
+ .pm = &scmi_dev_pm_ops,
};
EXPORT_SYMBOL_GPL(scmi_bus_type);